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HTML <select> 表单 属性

❮ HTML5 <select> 标签

示例

位于表单外部的下拉列表(但仍然是表单的一部分)

<form action="/action_page.php" id="carform">
  <label for="fname">姓氏:</label>
  <input type="text" id="fname" name="fname">
  <input type="submit">
</form>

<label for="cars">选择一辆汽车:</label>
<select name="cars" id="cars" form="carform">
  <option value="volvo">沃尔沃</option>
  <option value="saab">萨博</option>
  <option value="opel">欧宝</option>
  <option value="audi">奥迪</option>
</select>
自己试一试 »

定义和用法

The form 属性指定下拉列表所属的表单。

此属性的值必须等于同一文档中 <form> 元素的 id 属性。


浏览器支持

属性
form

语法

<select form="form_id">

属性值

描述
form_id 指定 <select> 元素所属的表单元素。此属性的值必须等于同一文档中 <form> 元素的 id 属性。

❮ HTML <select> 标签
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